1 TurnitinBot/2.1 (http://www.turnitin.com/robot/crawlerinfo.html) /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1335957942 2012/05/02 20:25:42 y=f(x) 1 新規に受け付けます。 20120502_202542 Wed May 2 20:25:42 2012